InChI=1S/C17H26O6/c1-9-6-12(23-10(2)19)13-15(3,4)8-16(5,14(20)21)17(13,22)11(9)7-18/h7,9,11-13,22H,6,8H2,1-5H3,(H,20,21)/t9-,11+,12+,13+,16-,17-/m1/s1